Drayton Valley-Devon is a provincial electoral district in central Alberta, Canada. The district was created in the 2010 boundary redistribution and is mandated to return a single member to the Legislative Assembly of Alberta using the first past the post voting system.

The electoral district and its antecedent has been electing Progressive Conservative MLAs with solid majorities going back to the 1970s. The current incumbent is Diana McQueen who is a cabinet minister in the Allison Redford government.